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Mathematical notes of NEFU, 2021 Volume 28, Issue 2, Pages 102–110 (Mi svfu320)

Mathematical modeling

The Laguerre spectral method for solving a one-dimensional dynamical problem of magneto-poroelasticity

Sh. Kh. Imomnazarova, A. A. Mikhailovb

a Institute of Geology and Geophysics, 6 Akad. Koptyug Avenue, Novosibirsk 630090, Russia
b Institute of Computational Mathematics and Mathematical Geophysics, 6 Lavrentiev Avenue, Novosibirsk 630090, Russia

Abstract: The paper illustrates the applicability of the Laguerre spectral method to solving a one-dimensional problem of magneto-poroelasticity with the electrokinetic coefficient taken into consideration. We study a one-dimensional non-stationary problem of pulsed action on a saturated porous medium taking into account the effects of electro-magnetoacoustics. The features of the acoustic response to the pulsed electromagnetic action in such system are numerically discovered. We show the dependence of the amplitudes of transverse acoustic waves arriving at the boundary of the porous medium on the external magnetic field for various parameters of the porous medium.

Keywords: saturated porous medium, Laguerre transform, interfacial friction, magnetosonic oscillations.

UDC: 532.7:537.3:550.372

Received: 01.02.2021
Revised: 25.02.2021
Accepted: 26.05.2021

DOI: 10.25587/SVFU.2021.46.60.007



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© Steklov Math. Inst. of RAS, 2024